CN220596063U - Double-row wheel floating roller assembly - Google Patents
Double-row wheel floating roller assembly Download PDFInfo
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- CN220596063U CN220596063U CN202322033579.9U CN202322033579U CN220596063U CN 220596063 U CN220596063 U CN 220596063U CN 202322033579 U CN202322033579 U CN 202322033579U CN 220596063 U CN220596063 U CN 220596063U
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- floating roller
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- 238000009434 installation Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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Abstract
The utility model relates to a double-row wheel floating roller assembly, comprising: a floating roller mounting seat; the floating roller fixing seat is arranged on the floating roller mounting seat through a floating supporting shaft; the end part of the floating support shaft is provided with a limiting groove, and one side of the floating roller fixing seat, which is positioned on the floating support shaft, is provided with a limiting baffle; the double-row roller assembly is provided with the side surface of the floating roller fixing seat; the guide rail limiting auxiliary roller assembly is arranged on the floating roller mounting seat; the utility model adopts the structural design of the double-row wheels and the floating support shaft, so that the bearing capacity of the seven-shaft BASE plate is doubled, the flexible operation of the BASE plate is ensured, and heavier workpieces can be carried; the double-row roller assembly and the guide rail limiting auxiliary roller assembly can be automatically adapted and adjusted according to the working attitude and the movement of the gravity center position of the seven shafts, so that the roller assembly is effectively protected, and the service life of the seven shafts is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of workpiece transportation, in particular to a double-row-wheel floating roller assembly.
Background
The seventh axis product of the robot, which is called seven axes for short, is an essential conveying device used in the production, manufacturing, welding and assembly line of the automobile industry. The main working principle is that a motor is used for driving a speed reducer to drive a gear to do circular motion, a seven-axis BSAE plate is pulled by rack transmission, the seven-axis BSAE plate and a robot carry a tool workpiece, the tool workpiece moves in a reciprocating and linear mode along a fixed plane guide rail, automobile parts are conveyed to a designated station, and the seven-axis BSAE plate is ensured to flexibly operate, namely, a set of roller assemblies are respectively arranged below four corners of the seven-axis BSAE plate; the existing seven-axis roller assembly is structurally a single-row wheel, has 3 bearings, is fixed with an eccentric roller shaft by only one nut, has long running time and is likely to loosen, and the end part of the roller shaft is cylindrical and is difficult to apply torque by using a spanner; moreover, as the weight requirement of the workpiece transporting equipment in the automobile body welding workshop is heavier and heavier, the bearing capacity of the roller assemblies of the single-row wheels cannot meet the production requirement; the single-row wheel structure has no problem for robots with weight less than 2.5T or lightly loaded tool workpieces, and when robots and workpieces with total weight more than 3T are selected, especially when the weight exceeds 4T and even 5T, the force is felt to be unsmooth, the stress of the wheels is serious, and the risk of being crushed exists.
Disclosure of Invention
According to the double-row wheel floating roller assembly, due to the structural design of the double-row wheels and the floating support shaft, the bearing capacity of the seven-shaft BASE plate is doubled, flexible running of the BASE plate is ensured, and heavier workpieces can be conveyed; the double-row roller assembly and the guide rail limiting auxiliary roller assembly can be automatically adapted and adjusted according to the working attitude and the movement of the gravity center position of the seven shafts, so that the roller assembly is effectively protected, and the service life of the seven shafts is greatly prolonged.
In order to solve the technical problems, the utility model provides a double-row wheel floating roller assembly, which comprises:
a floating roller mounting seat;
the floating roller fixing seat is arranged on the floating roller mounting seat through a floating support shaft, the end part of the floating support shaft is provided with a limit groove, and one side of the floating roller fixing seat, which is positioned on the floating support shaft, is provided with a limit baffle;
the double-row roller assembly is provided with the side surface of the floating roller mounting seat;
the guide rail limiting auxiliary roller assembly is arranged on the floating roller fixing seat.
In one embodiment of the utility model, the double-row roller assembly comprises a pair of roller eccentric shafts I, a pair of roller shafts, an upper row bearing roller and a lower row limiting roller; the upper row bearing roller is arranged on the side face of the floating roller mounting seat through a roller shaft, the lower row limiting roller is arranged on the side face of the floating roller mounting seat through a roller eccentric shaft I and is positioned below the upper row bearing roller, and the roller eccentric shaft I and the roller shaft are both fixed together with the floating roller mounting seat through a locking piece.
In one embodiment of the utility model, the guide rail limiting auxiliary roller assembly comprises a roller eccentric shaft II and a limiting auxiliary roller, wherein the limiting auxiliary roller is arranged on the floating roller fixing seat through the roller eccentric shaft II, and the roller eccentric shaft II is fixed with the floating roller fixing seat through a locking piece;
in one embodiment of the utility model, the roller eccentric shaft I, the roller shaft and the roller eccentric shaft II are all provided with a nozzle tip; and the first roller eccentric shaft, the roller shaft and the second roller eccentric shaft are respectively provided with an oil inlet channel and an oil outlet, and the oil nozzle is locked at the inlet of the oil inlet channel.
In one embodiment of the present utility model, the upper row of carrying rollers, the lower row of limit rollers and the limit auxiliary rollers are roller bearings.
In one embodiment of the utility model, a double stack self-locking washer is disposed between the locking member and the floating roller mount.
In one embodiment of the utility model, adjusting washers are arranged among the upper row bearing roller, the lower row limiting roller, the limiting auxiliary roller and the floating roller fixing seat.
In one embodiment of the utility model, the locking member comprises two fine tooth hex nuts.
In one embodiment of the utility model, the side surface of the floating roller mounting seat is provided with a scale pointer.
In one embodiment of the utility model, the side of the floating roller holder is provided with a guide rail obstacle clearance scraper. After the seven-axis double-row-wheel roller assembly is installed in place, the guide rail obstacle clearing scraper is used for clearing dust, garbage and welding slag on the surface of the guide rail.
In one embodiment of the utility model, the floating roller fixing seat is provided with a mounting clamping groove, and the top of the floating roller mounting seat is provided with an arc-shaped protruding part. The arc protruding part is clamped in the installation clamping groove to realize the accurate positioning of the floating roller fixing seat.
Compared with the prior art, the technical scheme of the utility model has at least the following advantages:
the double-row wheel floating roller assembly is reasonable in structural design, adopts a double-row wheel structure, has doubled bearing capacity, ensures flexible operation of the BASE plate by being arranged at four corners below the BASE plate of a seventh shaft of the robot, can carry heavier workpieces, and enables the BASE plate to linearly operate along a fixed plane guide rail under the drive of a driving mechanism so as to convey automobile parts to a designated station; the floating roller fixing seat is connected with the floating roller mounting seat through the floating supporting shaft, the floating supporting shaft plays a role in floating adjustment, and the stress of the double-row roller assembly and the guide rail limiting auxiliary roller assembly can be automatically adapted and adjusted according to the working posture direction and the movement of the gravity center position of the seven shafts, so that the roller assembly is effectively protected, and the service life of the seventh shaft of the robot is greatly prolonged.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic perspective view of a double row wheel floating roller assembly in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a schematic structural view of a seventh axis floating roller holder of the robot of the dual row wheel floating roller assembly of FIG. 1;
FIG. 3 is a schematic view of the rail-limiting auxiliary roller assembly of the dual-row wheel floating roller assembly of FIG. 1;
FIG. 4 is a schematic view of the roller eccentric shaft I of the dual row wheel floating roller assembly of FIG. 1;
FIG. 5 is a schematic view of the floating support shaft of FIG. 1;
FIG. 6 is a schematic view of the mounting structure of the dual row wheel floating roller assembly of FIG. 1 with the BASE plate and the BASE frame.
Description of the specification reference numerals: 1. a floating roller mounting seat; 2. a floating roller fixing seat; 21. installing a clamping groove; 3. a floating support shaft; 31. a limit groove; 4. a double row roller assembly; 41. roller eccentric shaft I; 411. an oil inlet passage; 412. an oil outlet hole; 42. a roller shaft; 43. an upper row of bearing rollers; 44. a lower limit roller; 5. guide rail limiting auxiliary roller components; 51. roller eccentric shaft II; 52. limiting auxiliary rollers; 6. a nipple; 7. a limiting baffle; 8. a locking member; 10. an arc-shaped protruding portion; 11. double-stack self-locking washers; 12. adjusting the gasket; 13. a scale pointer; 14. guide rail obstacle removing scraping plate; 100. a cylindrical pin; 101. an inner hexagon screw; 103. BASE plate; 104. a guide rail; 105. a base frame; 106. a ruler.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
A double row wheel floating roller assembly as shown in figures 1-3, comprising: a floating roller mounting seat 1; the floating roller fixing seat 2 is arranged on the floating roller mounting seat 1 through a floating supporting shaft 3; the floating support shaft 3 plays a role in floating adjustment, a limiting groove 31 is formed in the end portion of the floating support shaft 3, and a limiting baffle 7 is arranged on one side, located on the floating support shaft 3, of the floating roller fixing seat 2. The limiting baffle 7 is clamped in the limiting groove 31 and is used for fixedly limiting the floating support shaft 3; the double-row roller assembly 4 is provided with the side surface of the floating roller mounting seat 1; the double-row roller assembly 4 comprises a pair of roller eccentric shafts 41, a pair of roller shafts 42, an upper row bearing roller 43 and a lower row limiting roller 44; the upper row bearing roller 44 is arranged on the side surface of the floating roller mounting seat 1 through a roller shaft 42, the lower row limiting roller 44 is arranged on the side surface of the floating roller mounting seat 1 through a roller eccentric shaft I41 and is positioned below the upper row bearing roller 43, and the roller eccentric shaft I41 and the roller shaft 42 are both fixed with the floating roller mounting seat 1 through a locking piece 8. The guide rail limiting auxiliary roller assembly 5 is arranged on the floating roller fixing seat 2; the guide rail limiting auxiliary roller assembly 5 comprises a roller eccentric shaft II 51 and a limiting auxiliary roller 52, the limiting auxiliary roller 52 is horizontally arranged at the bottom of the floating roller fixing seat 2 through the roller eccentric shaft II 51, and the roller eccentric shaft II 51 is fixed with the floating roller fixing seat 2 through a locking piece 8.
As shown in fig. 4, the oil nozzle 6 is respectively arranged on the roller eccentric shaft 41, the roller shaft 42 and the roller eccentric shaft 51, the double-row roller assembly 4 and the guide rail limiting auxiliary roller assembly 5, and the oil nozzle 6 is connected with an oil pipe and is used for oiling and lubricating the double-row roller assembly 4 and the guide rail limiting auxiliary roller assembly 5; the first roller eccentric shaft 41, the roller shaft 42 and the second roller eccentric shaft 51 are respectively provided with an oil inlet channel 411 and an oil outlet hole 412, and the oil nozzle 6 is locked at the inlet of the oil inlet channel 411. The oil nozzle 6 is connected with an oil pipe, and the oil distributor of the Miman lubrication system 10 respectively lubricates the upper row bearing roller 43, the lower row limiting roller 44 and the limiting auxiliary roller 52, so that the service life is prolonged.
Preferably, the upper row bearing roller 43, the lower row limit roller 44 and the limit auxiliary roller 52 are roller bearings. The roller bearing adopts Japanese I KO bearing NART50-VUUR, not only can be used as a seven-axis roller, but also has the functions of bearing and limiting.
Further, a double-stack self-locking washer 11 is arranged between the locking piece 8 and the floating roller mounting seat 1; the adjusting washers 12 are arranged among the upper row bearing roller 43, the lower row limiting roller 44, the limiting auxiliary roller 52 and the floating roller fixing seat 2.
The locking member 8 in this embodiment comprises two fine-toothed hexagonal nuts. The double nuts are adopted to splice tightly, so that the loosening problem in the using process is solved, the cylindrical heads of the nuts are changed into hexagons, the wrench is convenient to use to apply torque, and the stability of the double-row wheel roller assembly is greatly improved.
In this embodiment, a scale pointer 13 is disposed on the side surface of the floating roller mounting seat 1. The scale pointer 13 is fixedly arranged on the front side surface of the floating roller mounting seat 1, a scale 106 is arranged on the outer side of a BASE frame 105 for BASE plate mounting, and the scale pointer 13 is matched with the scale 106 to prompt the starting point and the end point of seven shafts, as shown in fig. 6.
The side surface of the floating roller fixing seat 2 in the embodiment is provided with a guide rail obstacle clearance scraper 14. The guide rail obstacle removing scraper 14 is fixed with the floating roller fixing seat 2 through an outer hexagon bolt and acts on the guide rail 104, and after the seven-axis double-row wheel roller assembly is installed in place, the guide rail obstacle removing scraper 14 is used for cleaning dust, garbage and welding slag on the surface of the guide rail 104, so that the upper row bearing roller 43 and the lower row limiting roller 44 can smoothly roll on the upper side and the lower side of the guide rail 104.
As shown in fig. 2, the floating roller fixing seat 2 is provided with a mounting slot 21, and the top of the floating roller mounting seat 1 is provided with an arc-shaped protruding part 10. The arc-shaped protruding part 10 is clamped in the mounting clamping groove 21 to realize accurate positioning of the floating roller fixing seat 2.
In the embodiment, the bearing capacity of the double-row wheel roller assembly and the wheel arranging structure is doubled, the floating roller fixing seat 2 is utilized to be fixedly positioned at four corners below the BASE plate 103 through the cylindrical pin 100 and the inner hexagon screws 101, four sets of roller assemblies are used, flexible operation of the BASE plate 103 is guaranteed, heavier workpieces can be conveyed, as shown in fig. 6, the upper row of bearing rollers 44 are positioned above the guide rail 104, the lower row of limiting rollers 44 are positioned below the guide rail 104, under the action of the first roller eccentric shafts 41, the gap between the lower row of limiting rollers 44 and the bottom of the guide rail 104 is regulated, the gap is between 0.1 and 0.05mm, the second roller eccentric shafts 42 are regulated, the lateral distance between the regulating limiting auxiliary rollers 52 and the guide rail 104 is kept between 0.1 and 0.05mm, then a motor is utilized to drive a speed reducer to drive gears to perform circular motion, and the seven-axis BSAE plate 103 is pulled through rack transmission, along with the robot carrying tool workpieces, and the fixed guide rail 104 performs reciprocating linear motion, and smooth operation of the robot is guaranteed; transporting the automobile parts to a designated station; the floating roller fixing seat 2 is connected with the floating roller mounting seat 1 through the floating support shaft 3, the floating support shaft 3 plays a role in floating adjustment, and the stress of the double-row roller assembly 4 and the guide rail limiting auxiliary roller assembly 5 can be automatically adapted and adjusted according to the working posture direction of the seven shafts and the movement of the gravity center position, so that the roller assembly is effectively protected, and the service life of the seventh shaft of the robot is greatly prolonged.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. The utility model provides a double wheel floating roller assembly which characterized in that: comprising the following steps:
a floating roller mounting seat;
the floating roller fixing seat is arranged on the floating roller mounting seat through a floating supporting shaft; the end part of the floating support shaft is provided with a limiting groove, and one side of the floating roller fixing seat, which is positioned on the floating support shaft, is provided with a limiting baffle;
the double-row roller assembly is provided with the side surface of the floating roller mounting seat;
the guide rail limiting auxiliary roller assembly is arranged on the floating roller fixing seat.
2. The double row wheel floating roller assembly of claim 1 wherein: the double-row roller assembly comprises a pair of roller eccentric shafts I, a pair of roller shafts, an upper row bearing roller and a lower row limiting roller; the upper row bearing roller is arranged on the side face of the floating roller mounting seat through a roller shaft, the lower row limiting roller is arranged on the side face of the floating roller mounting seat through a roller eccentric shaft I and is positioned below the upper row bearing roller, and the roller eccentric shaft I and the roller shaft are both fixed together with the floating roller fixing seat through a locking piece.
3. The double row wheel floating roller assembly of claim 2 wherein: the guide rail limiting auxiliary roller assembly comprises a roller eccentric shaft II and a limiting auxiliary roller, wherein the limiting auxiliary roller is arranged on the floating roller fixing seat through the roller eccentric shaft II, and the roller eccentric shaft II is fixed with the floating roller fixing seat through a locking piece.
4. A double row wheel floating roller assembly as in claim 3 wherein: the first roller eccentric shaft, the roller shaft and the second roller eccentric shaft are respectively provided with a nozzle tip; and the first roller eccentric shaft, the roller shaft and the second roller eccentric shaft are respectively provided with an oil inlet channel and an oil outlet, and the oil nozzle is locked at the inlet of the oil inlet channel.
5. The double row wheel floating roller assembly of claim 4 wherein: the upper row bearing roller, the lower row limiting roller and the limiting auxiliary roller are roller bearings.
6. The double row wheel floating roller assembly of claim 5 wherein: a double-stack self-locking washer is arranged between the locking piece and the floating roller mounting seat; and adjusting washers are arranged among the upper bearing roller, the lower limiting roller, the limiting auxiliary roller and the floating roller fixing seat.
7. The double row wheel floating roller assembly of claim 6 wherein: the locking piece comprises two fine tooth hexagonal nuts.
8. The double row wheel floating roller assembly of claim 1 wherein: the side of the floating roller mounting seat is provided with a scale pointer.
9. The double row wheel floating roller assembly of claim 1 wherein: the side face of the floating roller fixing seat is provided with a guide rail obstacle clearance scraper.
10. The double row wheel floating roller assembly of claim 1 wherein: the floating roller fixing seat is provided with an installation clamping groove, and the top of the floating roller installation seat is provided with an arc-shaped protruding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033579.9U CN220596063U (en) | 2023-07-31 | 2023-07-31 | Double-row wheel floating roller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033579.9U CN220596063U (en) | 2023-07-31 | 2023-07-31 | Double-row wheel floating roller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220596063U true CN220596063U (en) | 2024-03-15 |
Family
ID=90182187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322033579.9U Active CN220596063U (en) | 2023-07-31 | 2023-07-31 | Double-row wheel floating roller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220596063U (en) |
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2023
- 2023-07-31 CN CN202322033579.9U patent/CN220596063U/en active Active
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